C++ (Cpp) FP_ADD_Q示例

示例#1

文件： ots_nintxq.c 项目： riscv/riscv-glibc

long
_OtsNintXQ (long al, long ah, long _round)
{
  FP_DECL_EX;
  FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(C);
  unsigned long r;
  long s;

  /* If bit 3 is set, then integer overflow detection is requested.  */
  s = _round & 8 ? 1 : -1;
  _round = _round & 3;

  FP_INIT_ROUNDMODE;
  AXP_UNPACK_SEMIRAW_Q(A, a);

  /* Build 0.5 * sign(A) */
  B_e = _FP_EXPBIAS_Q;
  __FP_FRAC_SET_2 (B, 0, 0);
  B_s = A_s;

  FP_ADD_Q(C, A, B);
  _FP_FRAC_SRL_2(C, _FP_WORKBITS);
  _FP_FRAC_HIGH_RAW_Q(C) &= ~(_FP_W_TYPE)_FP_IMPLBIT_Q;
  FP_TO_INT_Q(r, C, 64, s);
  if (s > 0 && (_fex &= FP_EX_INVALID))
    FP_HANDLE_EXCEPTIONS;

  return r;
}

示例#2

文件： q_add.c 项目： AubrCool/glibc

long double _Q_add(const long double a, const long double b)
{
  FP_DECL_EX;
  FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(C);
  long double c;

  FP_INIT_ROUNDMODE;
  FP_UNPACK_SEMIRAW_Q(A, a);
  FP_UNPACK_SEMIRAW_Q(B, b);
  FP_ADD_Q(C, A, B);
  FP_PACK_SEMIRAW_Q(c, C);
  FP_HANDLE_EXCEPTIONS;
  return c;
}

示例#3

文件： addtf3.c 项目： christianrober/R05R4-RC2

long double __addtf3(long double a, long double b)
{
  FP_DECL_EX;
  FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(R);
  long double r;

  FP_INIT_ROUNDMODE;
  FP_UNPACK_Q(A, a);
  FP_UNPACK_Q(B, b);
  FP_ADD_Q(R, A, B);
  FP_PACK_Q(r, R);
  FP_HANDLE_EXCEPTIONS;

  return r;
}

示例#4

文件： addtf3.c 项目： ChaosJohn/gcc

TFtype __addtf3(TFtype a, TFtype b)
{
  FP_DECL_EX;
  FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(R);
  TFtype r;

  FP_INIT_ROUNDMODE;
  FP_UNPACK_SEMIRAW_Q(A, a);
  FP_UNPACK_SEMIRAW_Q(B, b);
  FP_ADD_Q(R, A, B);
  FP_PACK_SEMIRAW_Q(r, R);
  FP_HANDLE_EXCEPTIONS;

  return r;
}

示例#5

文件： qp_add.c 项目： gf-chen/glibc

void _Qp_add(long double *c, const long double *a, const long double *b)
{
  FP_DECL_EX;
  FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(C);

  FP_INIT_ROUNDMODE;
  FP_UNPACK_SEMIRAW_QP(A, a);
  FP_UNPACK_SEMIRAW_QP(B, b);
  FP_ADD_Q(C, A, B);
  FP_PACK_SEMIRAW_QP(c, C);
  QP_HANDLE_EXCEPTIONS(__asm (
"	ldd [%1], %%f52\n"
"	ldd [%1+8], %%f54\n"
"	ldd [%2], %%f56\n"
"	ldd [%2+8], %%f58\n"
"	faddq %%f52, %%f56, %%f60\n"
"	std %%f60, [%0]\n"
"	std %%f62, [%0+8]\n"
"	" : : "r" (c), "r" (a), "r" (b) : QP_CLOBBER));
}